How do I convert this php code to javascript?

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<!DOCTYPE html>

<html>


<head>
    <meta charset="utf-8">
    <title> text4  </title>

</head>
<body>

    <?php
/**
 * Converte uma palavra no plural para o singular
 * @param string $str Uma palavra
 * @return string Palavra no singular
 */
function pluraltosingular($str) {
    if (substr($str, -1) != 's')
        return $str;
    // albuns batons marrons
    if (substr($str, -2, 1) == 'n')
        return substr($str, 0, -2) . 'm';
    // flores gizes vezes tenis
    else if (strpos('aeou', substr($str, 0, 1)) === false && substr($str, -2, 1) == 'e' && strpos('nrsz', substr($str, -3, 1)) !== false)
        return substr($str, 0, -2);
    // aneis anzois jornais
    else if (substr($str, -2) == 'is' && strpos('aeiou', substr($str, -3, 1)) !== false)
        return substr($str, 0, -2) . 'l';
    // frances portugues
    else if (substr($str, -2) == 'es' && strpos('clu', substr($str, -3, 1)) !== false)
        return $str;
    // caes paes
    else if (substr($str, -3) == 'aes')
        return substr($str, 0, -2) . 'o';
    // leoes
    else if (substr($str, -3) == 'oes')
        return substr($str, 0, -3) . 'ao';
    // exceto onibus lapis tenis arvores
    else if (strpos('ius', substr($str, -2, 1)) === false && substr($str, -3, 1) != 'n')
        return substr($str, 0, -1);
    return $str;
}
?>



    </body>

</html>
php javascript

  • I believe you have nothing ready in Javascript to generate Sha1, unless it is a library. What is the need? Give more details in your question.

  • actually had put the wrong code but I’ve already edited thanks is this is now correct.

  • I believe the intention is not to do the work for you, I suggest you try to do and upon your doubts it will be better to help you.

  • I’m trying to do more with doubts I’m learning if I have a help how to do I don’t want you to do for me

2 answers

4


Use the corresponding functions

PHP substr > Javascript substr

PHP strpos > Javascript indexOf

PHP operator . > Javascript operator +

The structure of IF and the logical operators are the same.

0

I made an example for you to see how it does.. Now just follow the same line..

alert(pluraltosingular("flores"));
function pluraltosingular($str) {
    if ($str.substr($str.length - 1) != 's')
        return $str;
    // albuns batons marrons
    if ($str.substr($str.length - 2,1) == 'n')
        return $str.substr(0,$str.length - 2) + 'm';
    // flores gizes vezes tenis
    else if('aeou'.indexOf($str.substr(0,1)) == -1 && $str.substr($str.length - 2,1) == 'e' && 'nrsz'.indexOf($str.substr($str.length - 3,1)) != -1)
    return $str.substr(0,$str.length - 2)
    /*
    // aneis anzois jornais
    else if (substr($str, -2) == 'is' && strpos('aeiou', substr($str, -3, 1)) !== false)
        return substr($str, 0, -2) . 'l';
    // frances portugues
    else if (substr($str, -2) == 'es' && strpos('clu', substr($str, -3, 1)) !== false)
        return $str;
    // caes paes
    else if (substr($str, -3) == 'aes')
        return substr($str, 0, -2) . 'o';
    // leoes
    else if (substr($str, -3) == 'oes')
        return substr($str, 0, -3) . 'ao';
    // exceto onibus lapis tenis arvores
    else if (strpos('ius', substr($str, -2, 1)) === false && substr($str, -3, 1) != 'n')
        return substr($str, 0, -1);*/
    return $str;
}

  • thanks I’ll try

  • I was able to thank everyone who helped me

  • mark the answer that helped you to help other people with the same problem.

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